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Sodium carbonate in powdery white form, used especially as an industrial chemical.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Elements & Compounds) the anhydrous commercial form of sodium carbonate
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
1. Also called soda ash. an anhydrous, grayish white, odorless, water-soluble powder, Na2CO3, used in the manufacture of glass, ceramics, soaps, paper, petroleum products, sodium salts, as a cleanser, for bleaching, and in water treatment.
2. Also called sal soda, soda, washing soda. a hydrated form of this salt, Na2CO3∙10H2O, used similarly.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||soda ash - a sodium salt of carbonic acid; used in making soap powders and glass and paper|
salt - a compound formed by replacing hydrogen in an acid by a metal (or a radical that acts like a metal)
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